APS offices and the Library will be closed until further notice. On-site events are suspended, but read more about virtual programming and resources that can be accessed remotely. Read more about the APS response to COVID-19.

Museum Collections

Broadly, the American Philosophical Society Museum administers three-dimensional objects whereas the Library administers books, two-dimensional works on paper, photographs, and audio/visual materials. You can learn about the APS Museum collections on this page.